The DOI matches its Crossref record; 121 of the 121 references it cites were found in a registry or an index.
Cell-type-specific profiling of brain mitochondria reveals functional and molecular diversity
Open accessAbstract
Mitochondria vary in morphology and function in different tissues; however, little is known about their molecular diversity among cell types. Here we engineered MitoTag mice, which express a Cre recombinase-dependent green fluorescent protein targeted to the outer mitochondrial membrane, and developed an isolation approach to profile tagged mitochondria from defined cell types. We determined the mitochondrial proteome of the three major cerebellar cell types (Purkinje cells, granule cells and astrocytes) and identified hundreds of mitochondrial proteins that are differentially regulated. Thus, we provide markers of cell-type-specific mitochondria for the healthy and diseased mouse and human central nervous systems, including in amyotrophic lateral sclerosis and Alzheimer’s disease. Based on proteomic predictions, we demonstrate that astrocytic mitochondria metabolize long-chain fatty acids more efficiently than neuronal mitochondria. We also characterize cell-type differences in mitochondrial calcium buffering via the mitochondrial calcium uniporter (Mcu) and identify regulator of microtubule dynamics protein 3 (Rmdn3) as a determinant of endoplasmic reticulum–mitochondria proximity in Purkinje cells. Our approach enables exploring mitochondrial diversity in many in vivo contexts. Fecher et al. devise an approach to isolate cell-type-specific mitochondria from the mouse CNS. They demonstrate proteomic diversity of cerebellar mitochondria covering bioenergetics, calcium handling and organelle contact sites.
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Metadata
- Authors
- Fecher, C., Trovò, L., Müller, S. A., Snaidero, N., Wettmarshausen, J., Heink, S., Ortiz, O., Wagner, I., Kühn, R., Hartmann, J., Karl, R. M., Konnerth, A., Korn, T., Wurst, W., Merkler, D., Lichtenthaler, S. F., Perocchi, F., & Misgeld, T.
- Venue
- Nature Neuroscience
- Published
- 2019-09-09
- Volume
- 22
- Issue
- 10
- Pages
- 1731-1742
- ISSN
- 1097-6256 (ISSN-L)
- 1546-1726
- OpenAlex
- W2972857012
- Cited by
- 323
- References
- 121
- FWCI
- 9.02
- Type
- journal article
- Language
- en
- Open access
- green
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- Fecher, C., Trovò, L., Müller, S. A., Snaidero, N., Wettmarshausen, J., Heink, S., Ortiz, O., Wagner, I., Kühn, R., Hartmann, J., Karl, R. M., Konnerth, A., Korn, T., Wurst, W., Merkler, D., Lichtenthaler, S. F., Perocchi, F., & Misgeld, T. (2019). Cell-type-specific profiling of brain mitochondria reveals functional and molecular diversity. Nature Neuroscience. https://doi.org/10.1038/s41593-019-0479-z
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
